Following increasing concern about hackers taking advantage of security vulnerabilities in Adobe’s PDF-reading software, the company has announced that it will be making security updates available on a regular schedule.

Following last night’s discussion about British TV celebrity Jonathan Ross accidentally revealing his personal email address on Twitter (and how, despite his attempts to delete the Tweet, it’s still available for anyone to read) I’ve found out about an online service which makes it even easier to find those Tweets that all of us would like to retract.

Is Microsoft treating users of the Mac version of its PowerPoint software as second-class citizens? That’s the question some are asking following the release of a criticial security update for the popular presentation software. The problem? The patch was only for the Windows version.